this derivation will be built:
  /nix/store/y1zn0c38kz1sg4z916pimixfl12h0fm9-treefmt-check.drv
building '/nix/store/y1zn0c38kz1sg4z916pimixfl12h0fm9-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 2051 files
treefmt-check> emitted 554 files for processing
treefmt-check> formatted 554 files (0 changed) in 3.8s

upload niks3: ok